Detailed Weather Data for Project: FCOB

Date Time TAIR WSPD RELH SRAD 05Nov2017 8 a.m. 58.64 6.04 62.00 88.50 05Nov2017 9 a.m. 63.98 13.05 54.00 197.00 05Nov2017 10 a.m. 69.30 14.88 46.25 428.00 05Nov2017 11 a.m. 73.46 10.44 38.00 555.33 05Nov2017 12 p.m. 72.92 10.89 36.67 641.33 05Nov2017 1 p.m. 70.52 10.66 42.67 648.33 05Nov2017 2 p.m. 66.20 11.52 52.25 589.00 05Nov2017 3 p.m. 63.32 10.74 58.00 460.00 05Nov2017 4 p.m. 62.06 11.13 61.00 322.25 05Nov2017 5 p.m. 58.55 10.96 67.25 120.50 05Nov2017 6 p.m. 53.42 9.62 78.00 0.00 05Nov2017 7 p.m. 50.54 12.30 83.00 0.00 05Nov2017 8 p.m. 49.37 10.18 85.00 0.00 05Nov2017 9 p.m. 48.26 9.92 87.33 0.00 05Nov2017 10 p.m. 47.84 11.86 86.25 0.00 05Nov2017 11 p.m. 48.15 11.41 83.75 0.00 06Nov2017 12 a.m. 47.75 8.95 82.75 0.00 06Nov2017 1 a.m. 46.98 7.83 83.75 0.00 06Nov2017 2 a.m. 45.90 9.51 84.75 0.00 06Nov2017 3 a.m. 44.72 9.92 85.00 0.00 06Nov2017 4 a.m. 43.94 10.81 86.33 0.00 06Nov2017 5 a.m. 43.07 11.07 88.50 0.00 06Nov2017 6 a.m. 42.93 11.63 88.50 0.00 06Nov2017 7 a.m. 43.16 9.62 87.50 1.50 Accuml. Values 1314.98 254.94 1708.50 4051.74 Num. Valid Values 24 24 24 24 Avg. Values 54.79 10.62 71.19 168.82 THE EMPERICAL EQUATIONS REQUIRE THESE PARAMETERS IN THESE UNITS: SRAD == CAL / SQUARE CENTIMETER WSPD == KILOMETERS PER DAY TAIR == DEGREES CELSIUS RELH == PERCENT Converted Values 12.66 410.20 71.19 348.37 Now start computations towards evaporation in inches per day Each intermediate calculation step will be shown. xcompl = 0.2881 definition: xcompl = 1 - (RELH_avg/100) TdC = 7.6386 definition: TdC = TAIR_avg - ((14.55 + (0.114*TAIR_avg))*xcompl +pow((2.5 + 0.007*TAIR_avg)*xcompl, 3) + (15.9 +0.117*TAIR_avg)*pow(xcompl, 14)) del_lambda1 = 0.5929 definition: del_lambda1 = pow(1+(0.66/pow(0.00815*TAIR_avg + 0.8912, 7)), -1) del_lambda2 = 0.4071 definition: del_lambda2 = 1 - del_lambda1 Qn = 3.0274 definition: Qn = 0.00714*SRAD_avg + 0.00000526*SRAD_avg*pow(TAIR_avg+17.8, 1.87) +0.00000394*pow(SRAD_avg, 2) - 0.00000000239*pow(SRAD_avg, 2)*pow(TAIR_avg-7.2, 2) - 1.02 es_ea = 4.1859 definition: es_ea = 33.86 * (pow(0.00738*TAIR_avg + 0.8072, 8) -pow(0.00738*TdC+0.8072, 8)) Ea = 5.6740 definition: Ea = pow(es_ea, 0.88) * (0.42 + 0.0029*WSPD_avg) Daily Evap: 0.162 inches definition: Daily Evap = (del_lambda1*Qn + del_lambda2*Ea) / 25.4

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